package test.java.lang;

/**
 * @description: 测试双亲委派机制与沙箱安全机制
 * @author: peikunkun
 * @create: 2020-02-20 22:36
 **/
public class String {

  public static void main(String[] args) {
    System.out.println("测试之前请将包名改为java.lang");
    System.out.println("Hello World");
  }

}
